they were behind brazil, paraguay, and i think chile. the last team was uruguay because they had to play costa rica (4th place, n. america) for a spot.
i think s. america does a round robin where all teams play home and aways with all other teams, so that's a lot of games for qualifiers. i'm not sure how it is in argentina for sure, but i'd suspect that a lot of players were still playing for their club teams in europe during a good bit of the qualifiers. in qualifiers you can see teams like peru beating brazil and that should never happen. makes me feel like it's when baseball players go on strike and they call a bunch of minor leaguers up